Ferris 3100 61" 36 BB review

I think I remember someone having a problem with the T setup on here years ago. When both tanks were full and they mowed hillsides the upper tank would drain into the lower one and come out the cap. Not an issue with new machines but maybe something to keep in mind.

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I guess his machine must have had the fuel lines coming from bottom of tank.

With the top draw it shouldn't be an issue, if it happened to cause a prob I would fit 2 little inline check valves. Shouldn't be more than a few dollars for all these parts.

I have about 16 hours on my machine now and have changed blades once. Changed oil at 6 hrs. and have only added 1/2 qt since. Checked my gph yesterday and I burned exactly 5 measured gallons in 2 hrs and 57 minutes. That would be about 1.65 gph. Think last time I checked was closer to 1.5 but did mow some big weeds in addition to grass this time around. So far this is a great machine, comfortable and a good cut. BTW, I did get the optional seat and it does have both a lumbar and seat back adjustment. Worth the extra $$ but negotiated mine on the purchase.

I think they would do a great job of this. They run from the hydro pumps themselves, not electric fans as I thought they were. Anyway they create quite a good amount of air flow, which will certainly keep grass clippings etc from building up around the pumps!

I have about 16 hours on my machine now and have changed blades once. Changed oil at 6 hrs. and have only added 1/2 qt since. Checked my gph yesterday and I burned exactly 5 measured gallons in 2 hrs and 57 minutes. That would be about 1.65 gph. Think last time I checked was closer to 1.5 but did mow some big weeds in addition to grass this time around. So far this is a great machine, comfortable and a good cut. BTW, I did get the optional seat and it does have both a lumbar and seat back adjustment. Worth the extra $$ but negotiated mine on the purchase.

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I changed mine on the w/e, 4.9hrs. Did you use the Briggs sae 30? Im a little surprised to hear u used that much oil over 10hrs, unless this is typical of breaking in an engine? Or if u use a multi grade oil then I guess that's understandable.

I think they would do a great job of this. They run from the hydro pumps themselves, not electric fans as I thought they were. Anyway they create quite a good amount of air flow, which will certainly keep grass clippings etc from building up around the pumps!

Yea I assumed they would be electric, but on closer inspection not so. Im not sure why they did away with the shrouds, maybe leaves and grass build up on top of them & render them useless. Havnt had that problem on other ZTRs but its all I can think off.